Sony MX-E501 service manual Section Disassembly, Case ASSY, Holder Assy

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MZ-E501

SECTION 3

DISASSEMBLY

rDisassemble the unit in the order as shown below.

Set Case assy, Holder assy Mechanism deck Bracket assy MAIN board

Optical pick-up assy (LCX-4E)

Note : Follow the disassembly procedure in the numerical order given.

3-1. CASE ASSY, HOLDER ASSY

1 screws (1.4), MI

case assy

1 screws (1.4), MI

3Move it away

from the projection

2

hold assy

3 Move it away from the projection

case (rear)

5

Image 5

Contents MZ-E501 SpecificationsDisassembly Table of ContentsDiagrams Exploded ViewsSection Servicing Notes Location and Function of Controls Group Section GeneralCase ASSY, Holder Assy Section DisassemblyBracket Assy Mechanism DeckOptical PICK-UP Assy LCX-4E Main BoardGeneral Section Test ModeSetting the Test Mode How to set the Manual mode Manual ModeOverall Adjustment Mode Self-diagnostic mode SELF-DIAGNOSTIC Display ModeSound Skip Check Result Display Mode KEY Check ModeSetting the Key Check mode EIBReset NV Section Electrical AdjustmentsManual Power Adjustments Overall CD and MO adjustment method Vc PWM Duty H adjustment methodElectrical offset adjustment method Resume clear method Overall CD and MO adjustment itemsMZ-E501 Waveforms Section DiagramsMain Board Block DiagramSemiconductor Printed Wiring Board Main Section Side aSide B Printed Wiring Board Main Section Side BOprledgh MZ-E501 2222 IC301 TA2131FL EL IC Block DiagramsIC901 XPC18A32FCR2 IC PIN Function Description Xtest OprledglOprledrl MIFVSS3APC AVS2 AvssDSPVDD0 DSPVSS0DSPVSS1 DSPVDD2Spcu SpcvSSB CLK TEST1, TEST0MCUVSS0 VL PWMLCD RST LCD STBREC LED TSB SLV CHKMain Section Section Exploded Views5961 Mechanism SectionSection Electrical Parts List MainXPC18A32FCR2 Ver 1.1 Memo MZ-E501 Before change After change How to distinguish the sets¥ Signal path Main Board Main Board + Line Tantalums Schematic Diagram Main /3 See page 9 for IC Block Diagrams IC Block Diagrams IC901 XPC18A32FCR2 Signal C input from the optical pick-up detector IC601 CXD2671-207GA System Control AVS2 Avss DSPVDD2 188,189 Not used open 190 LCD STB 1uF 10% C102 126-246-11 IC XPC18A32FCR2 SWITCH, Tactile VOL− Ver Date Description of Revision Revision History